iPadOS 12.0 (build 16A5354b) is an official Apple over-the-air update for the iPad Air (Cellular), released on 2018-08-13T17:03:20Z. The update package is 1.14 GB. This is a delta (partial) update that requires 11.4.1 already installed. This update is no longer signed by Apple, meaning it can no longer be applied on-device through Settings.

Payload file: cf4a6cd1c76a554b3e1c53881b095b0db794a332.zip.